X-Git-Url: http://git.ithinksw.org/extjs.git/blobdiff_plain/ee06f37b0f6f6d94cd05a6ffae556660f7c4a2bc..c930e9176a5a85509c5b0230e2bff5c22a591432:/docs/source/TreeDragZone.html
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+
+
+ The source code
+
+
+
+
+ /**
+ * @class Ext.tree.TreeDragZone
+ * @extends Ext.dd.DragZone
+ * @constructor
+ * @param {String/HTMLElement/Element} tree The {@link Ext.tree.TreePanel} for which to enable dragging
+ * @param {Object} config
+ */
+if(Ext.dd.DragZone){
+Ext.tree.TreeDragZone = function(tree, config){
+ Ext.tree.TreeDragZone.superclass.constructor.call(this, tree.innerCt, config);
+ /**
+ * The TreePanel for this drag zone
+ * @type Ext.tree.TreePanel
+ * @property
+ */
+ this.tree = tree;
+};
+
+Ext.extend(Ext.tree.TreeDragZone, Ext.dd.DragZone, {
+ /**
+ * @cfg {String} ddGroup
+ * A named drag drop group to which this object belongs. If a group is specified, then this object will only
+ * interact with other drag drop objects in the same group (defaults to 'TreeDD').
+ */
+ ddGroup : "TreeDD",
+
+ // private
+ onBeforeDrag : function(data, e){
+ var n = data.node;
+ return n && n.draggable && !n.disabled;
+ },
+
+ // private
+ onInitDrag : function(e){
+ var data = this.dragData;
+ this.tree.getSelectionModel().select(data.node);
+ this.tree.eventModel.disable();
+ this.proxy.update("");
+ data.node.ui.appendDDGhost(this.proxy.ghost.dom);
+ this.tree.fireEvent("startdrag", this.tree, data.node, e);
+ },
+
+ // private
+ getRepairXY : function(e, data){
+ return data.node.ui.getDDRepairXY();
+ },
+
+ // private
+ onEndDrag : function(data, e){
+ this.tree.eventModel.enable.defer(100, this.tree.eventModel);
+ this.tree.fireEvent("enddrag", this.tree, data.node, e);
+ },
+
+ // private
+ onValidDrop : function(dd, e, id){
+ this.tree.fireEvent("dragdrop", this.tree, this.dragData.node, dd, e);
+ this.hideProxy();
+ },
+
+ // private
+ beforeInvalidDrop : function(e, id){
+ // this scrolls the original position back into view
+ var sm = this.tree.getSelectionModel();
+ sm.clearSelections();
+ sm.select(this.dragData.node);
+ },
+
+ // private
+ afterRepair : function(){
+ if (Ext.enableFx && this.tree.hlDrop) {
+ Ext.Element.fly(this.dragData.ddel).highlight(this.hlColor || "c3daf9");
+ }
+ this.dragging = false;
+ }
+});
+}
+
+
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